Conversations involving multiple participants, allowing collaboration and information sharing in Teams
Agreed with all the others here, Arrow keys cease to function on MSFT Teams Chat however seem to function in all other applications.
This occurs intermittingly, I've attempted to toggle scroll lock, unplug/plug-in peripherals, and close all other applications besides Teams.
Shy of performing any workarounds, the only temporary fixes I've found are either quitting and launching Teams Client, or restarting the computer.
Issue has been present and identified by others since December 2021.